Eduardo Cunha, Brazil's scandal-plagued former congressional speaker who spearheaded the drive to remove president Dilma Rousseff from office, could be stripped of his seat Monday if his peers vote him out.

Cunha, who is often compared to the dark, manipulative hero Frank Underwood of the hit Netflix series "House of Cards," used his position as speaker of the lower house to put Rousseff on an unstoppable path to impeachment.

Turkish President Recep Tayyip Erdogan on Monday defended the suspension of 28 mayors over alleged links to Kurdish militants or U.S.-based cleric Fethullah Gulen, saying it was a long-overdue move. 

A car bomb exploded Monday outside the ruling Justice and Development Party (AKP) headquarters in the eastern Turkish city of Van, wounding 48 people including two police officers, local authorities said.

North Korea is ready to conduct another nuclear test at any time, South Korea's defense ministry said Monday, just days after Pyongyang sparked worldwide condemnation with its fifth and most powerful test.

Croatia's conservatives were poised to remain in power after winning a snap election, nearly complete results showed Monday, but will have to begin coalition talks to form a government after falling short of a majority.

Democrat Hillary Clinton faced questions about her health Monday after being diagnosed with pneumonia and falling ill at a 9/11 ceremony, renewing speculation about her fitness barely eight weeks from Election Day.

Clinton, who was forced to cancel a California fundraising trip on Monday and Tuesday, also faces questions over why her campaign took two days to reveal the pneumonia diagnosis.

China and Russia were to start war games in the South China Sea on Monday, Beijing's defense ministry said, in a show of force after an international tribunal invalidated the Asian giant's extensive claims in the area.

French police have arrested a 15-year-old boy suspected of planning an attack, investigators said Sunday, as Prime Minister Manuel Valls warned that the country faced a threat from 15,000 homegrown radicals. 

Tens of thousands of Catalans gathered in Barcelona and four other cities Sunday for mass rallies to demand their region break away from Spain, as pro-independence leaders try to iron out differences over a secession plan.

At least 16 people died and 253 were injured in a 5.7-magnitude earthquake that struck northwest Tanzania, local authorities said Sunday.